A Century of Engineered Progress 1852-1952 Block of Stamps

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FIRST DAY OF ISSUE SOCIETY OF CIVIL ENGINEERS FOUNDED 1852 JAMES LAURIE A.S.C.E. PRESIDENT 1852-1867 A CENTURY of ENGINEERED PROGRESS 1852-1952 Art Craft CHICA SEP C 9-AM 1952 ILL CENTENNIAL OF ENGINEERING 1852-1952 SOCIETY OF CIVIL ENGINEERS FOUNDED 1852 CENTENNIAL OF ENGINEERING 1852-1952 R SOCIETY OF TRST DAY ENGINEERS FOUNDED 1852 XXXX CENTENNIAL OF ENGINEERING 1852-1952 SOCIETY OF CIVIL ENGINEERS FOUNDED 1852 CENTENNIAL OF ENGINEERING 1852-1952 CIPATION FR SOCIETY OF GIVIL ENGINEERS FOUNDED 1852 34 U.S. POSTACE

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WIOCHPE LEMNER